A year is not enough
The JCP takes a year just to decide if they want digestive or bourbon biscuits at their next meeting.
Twitter and ARM have been voted onto the executive of the Java Community Process (JCP), the committee that considers and oversees changes to Java. The JCP holds elections for its executive each year. Members are either “ratified” or “elected”. The former category appears to go to organisations with obvious stakes in Java's …
There is zero need to run byte-code directly. Having good target architecture (concurrency, locking, read-barrier) is actually what takes to run Java better. For instance hardware read barrier allows for non-stop the world garbage collectors.
As for anyone running java, most of the big business does.